[計量] The daily rate for a hotel room ...
The daily rate for a hotel room that sleeps 4 people is $39 for one person
and x dollars for each additional person. If 3 people take the room for one
day and each pays $21 for the room, what is the value of x ?
(A) 6
(B) 8
(C) 12
(D) 13
(E) 24
答案是(C)
但實在不了解
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◆ From: 140.112.27.9
※ 編輯: GrantHill33 來自: 140.112.27.9 (10/20 16:26)
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